Vendor lock-in in search APIs happens through proprietary SDKs, non-standard output formats, and acquisition-driven pricing changes. Tavily's Nebius acquisition and Brave's free tier removal in 2026 showed how quickly vendor changes affect users. We ranked five APIs by switching cost, output portability, and independence risk.
Scavio uses standard REST APIs with JSON output, API key authentication, and no proprietary SDK dependency. Switching from Scavio requires only changing the API endpoint and key in your code. The MCP server adds another portable integration layer.
Full Ranking
Scavio
Standard REST API with no proprietary lock-in
- Standard REST + JSON, no proprietary SDK
- API key auth, easily switched
- MCP (open protocol) integration
- Independent company, no acquisition
- Newer provider, shorter track record
- No guarantees against future changes
SerpAPI
Long track record with stable API
- Operating since 2018
- Stable API with minimal breaking changes
- Standard REST + JSON
- Expensive at scale ($275/mo for 30K)
- Ruby SDK creates some language lock-in
- No credit rollover
Brave Search API
Simple REST API with independent index
- Simple REST API
- Independent index reduces Google dependency
- Standard JSON output
- Killed free tier Feb 2026 (vendor risk demonstrated)
- Web only
- No MCP support
SearXNG
Self-hosted search eliminates vendor dependency
- Self-hosted means zero vendor dependency
- Open source, fully portable
- Free
- Self-hosting creates operational dependency instead
- Rate-limited by upstream engines
- Maintenance burden
Exa
Independent semantic search with standard API
- Standard REST API
- Independent company
- 1K free requests
- Semantic model is unique, harder to switch from
- Content extraction creates output dependency
- Web only
Side-by-Side Comparison
| Criteria | Scavio | Runner-up | 3rd Place |
|---|---|---|---|
| API standard | REST + JSON | REST + JSON | REST + JSON |
| Proprietary SDK | None required | Ruby SDK (optional) | None required |
| Switching cost | Low (change endpoint + key) | Low (change endpoint + key) | Low (change endpoint + key) |
| Vendor risk events in 2026 | None | None | Free tier removed |
| Independence | Independent | Independent | Independent |
| Open protocol support | MCP | None | None |
Why Scavio Wins
- Standard REST + JSON with API key authentication means switching to any alternative requires only changing the endpoint URL and key, no code rewrite.
- MCP (open protocol) integration means the tool layer is portable across any MCP-compatible client, reducing framework lock-in.
- SearXNG eliminates vendor lock-in entirely for teams willing to accept the self-hosting operational burden.
- No acquisition or ownership changes in 2026, unlike Tavily (Nebius acquisition) or Brave (free tier removal), reducing the risk of sudden vendor-driven changes.
- Credit-based pricing with no annual contracts means you can reduce or stop usage without penalty, unlike subscription-locked alternatives.